// Copyright 2013 Petar Maymounkov
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package tele

import (
	"net"
	"os"

	"circuit/kit/tele"
	"circuit/use/n"
)

// System is the high-level type that encloses a monolithic networking functionality
type System struct{}

// workerID is the ID for this transport endpoint.
// addr is the networking address to listen to.
func (s *System) NewTransport(workerID n.WorkerID, addr net.Addr) n.Transport {
	u := tele.NewStructOverTCP()
	l := newListener(workerID, os.Getpid(), u.Listen(addr))
	return &Transport{
		WorkerID: workerID,
		Dialer:   newDialer(l.Addr(), u),
		Listener: l,
	}
}

func (s *System) ParseNetAddr(a string) (net.Addr, error) {
	return ParseNetAddr(a)
}

func (s *System) ParseAddr(a string) (n.Addr, error) {
	return ParseAddr(a)
}

// Transport cumulatively represents the ability to listen for connections and dial into remote endpoints.
type Transport struct {
	n.WorkerID
	*Dialer
	*Listener
}
